21667360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:986

約数の個数: 96

約数和(自身を含む): 60201792

約数和(自身を除く): 38534432

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 947, 1040, 1144, 1430, 1760, 1894, 2080, 2288, 2860, 3788, 4576, 4735, 5720, 7576, 9470, 10417, 11440, 12311, 15152, 18940, 20834, 22880, 24622, 30304, 37880, 41668, 49244, 52085, 61555, 75760, 83336, 98488, 104170, 123110, 135421, 151520, 166672, 196976, 208340, 246220, 270842, 333344, 393952, 416680, 492440, 541684, 677105, 833360, 984880, 1083368, 1354210, 1666720, 1969760, 2166736, 2708420, 4333472, 5416840, 10833680, 21667360]

約数ペア:

[(1, 21667360), (2, 10833680), (4, 5416840), (5, 4333472), (8, 2708420), (10, 2166736), (11, 1969760), (13, 1666720), (16, 1354210), (20, 1083368), (22, 984880), (26, 833360), (32, 677105), (40, 541684), (44, 492440), (52, 416680), (55, 393952), (65, 333344), (80, 270842), (88, 246220), (104, 208340), (110, 196976), (130, 166672), (143, 151520), (160, 135421), (176, 123110), (208, 104170), (220, 98488), (260, 83336), (286, 75760), (352, 61555), (416, 52085), (440, 49244), (520, 41668), (572, 37880), (715, 30304), (880, 24622), (947, 22880), (1040, 20834), (1144, 18940), (1430, 15152), (1760, 12311), (1894, 11440), (2080, 10417), (2288, 9470), (2860, 7576), (3788, 5720), (4576, 4735)]